Chaeyeon (DIA - 다이아)
채연
D.O.B: Dec 01, 1997
Jung Chae-yeon (Hangul : 정채연), better known by the mononym Chaeyeon, is a South Korean singer and actress. She is best known for being a member of the South Korean girl group DIA, and for finishing 7th in the survival show Produce 101, making her a member of I.O.I.